20010841237 has 2 divisors, whose sum is σ = 20010841238. Its totient is φ = 20010841236.

The previous prime is 20010841229. The next prime is 20010841267. The reversal of 20010841237 is 73214801002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17232075441 + 2778765796 = 131271^2 + 52714^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010841237 - 2³ = 20010841229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010841267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005420618 + 10005420619.

It is an arithmetic number, because the mean of its divisors is an integer number (10005420619).

Almost surely, 2^20010841237 is an apocalyptic number.

It is an amenable number.

20010841237 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010841237 is an equidigital number, since it uses as much as digits as its factorization.

20010841237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 20010841237 in words is "twenty billion, ten million, eight hundred forty-one thousand, two hundred thirty-seven".